Properties of Pegmatite lan Pumice
ukuran gandum
medium kanggo coarse grained
grained nggoleki
tilas
putih
putih, greenish putih utawa abu-abu
porosity
kurang keropos
Highly keropos
luster
grainy, mutiyara lan vitreous
earthy
cleavage
sampurna
sampurna
tartamtu gravitasi
2.6-2.63
2.86
transparan
tembus kanggo opaque
opaque
Kapadhetan
2.6-2.65 g / cm 3
0.25-0.3 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan, meksa tahan
impact tahan, meksa tahan